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Timing chain and oil pump clearance problem

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Old 08-08-2009, 11:23 PM
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Default Timing chain and oil pump clearance problem

I'm having a little problem with this and wanted some opinions before I screw something up . I have searched and saw some have clearance issues with this and some don't.

Anyway, I just recently got a Rollmaster double chain and Melling oil pump and I'm having issues with the cover not fitting right. I replaced the stock oil pump bolts with some smaller headed grade 8 bolts and it seems to fit. I put the cover and gasket on snugged it down and turned it over and couldn't hear anything that would be rubbing. I took the cover off and saw no rub marks either.

I just wanted to find out if anyone has done the same thing and it work out for them or not and any other opinions .
Old 08-09-2009, 11:11 AM
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Anyone?
Old 08-10-2009, 07:03 PM
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Id say your fine bud. What oil pump? Sometimes the chain itself comes very close to rubbing the backside of the oil pump housing also.
Old 08-11-2009, 12:06 AM
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Melling oil pump. The chain is close but it all looks like it will miss
Old 08-11-2009, 02:44 PM
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Originally Posted by StreetSilverado
Melling oil pump. The chain is close but it all looks like it will miss
It is, trust me.
Old 08-11-2009, 06:08 PM
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It should be fine as long as the new bolts are of good quality.
Old 08-12-2009, 07:56 AM
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if your using the spacers with the double roller, ck right where the pump/pickup is, they tend to hit there also-a lot easier to see if the engine is out of the car-using the melling pump with a double row chain will hit several places sometimes-if you dont use a gasket, it will show a little better where it hits
Old 08-12-2009, 10:07 AM
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The meling pump is actually a bit taller compared to like a SLP Pump, if you are using spacers for the double chain, you will need to grind spots on the timing cover to clearance it. On a SLP pump w double chain you 99% of the time have to clearance cut the timing cover, this is per SLP.




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